423850776964 has 6 divisors (see below), whose sum is σ = 741738859694. Its totient is φ = 211925388480.

The previous prime is 423850776901. The next prime is 423850776967. The reversal of 423850776964 is 469677058324.

It can be written as a sum of positive squares in only one way, i.e., 417628722564 + 6222054400 = 646242^2 + 78880^2 .

It is a super-2 number, since 2×423850776964² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423850776967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52981347117 + ... + 52981347124.

Almost surely, 2^423850776964 is an apocalyptic number.

It is an amenable number.

423850776964 is a deficient number, since it is larger than the sum of its proper divisors (317888082730).

423850776964 is a wasteful number, since it uses less digits than its factorization.

423850776964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105962694245 (or 105962694243 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 423850776964 in words is "four hundred twenty-three billion, eight hundred fifty million, seven hundred seventy-six thousand, nine hundred sixty-four".